From ba9f40fb710f3f7b908b045e62ffd07b4186dcc3 Mon Sep 17 00:00:00 2001
From: Hans Bolinder <hasse@erlang.org>
Date: Thu, 11 Feb 2021 13:37:23 +0100
Subject: tools: Correct Xref's handling of behaviour_info/1

See also https://github.com/erlang/otp/issues/4192.
---
 lib/tools/doc/src/xref.xml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lib/tools/doc/src')

diff --git a/lib/tools/doc/src/xref.xml b/lib/tools/doc/src/xref.xml
index 33b8003320..72cc5c6c39 100644
--- a/lib/tools/doc/src/xref.xml
+++ b/lib/tools/doc/src/xref.xml
@@ -885,7 +885,9 @@ Evaluates a predefined analysis.
            locally used.</item>
           <tag><c>exports_not_used</c></tag>
           <item>Returns a list of exported functions that have not been
-           externally used.</item>
+           externally used. Note that in <c>modules</c> mode,
+	    <c>M:behaviour_info/1</c> is never reported as unused.
+	  </item>
           <tag><c>deprecated_function_calls</c>(*)</tag>
           <item>Returns a list of external calls to <seeerl marker="#deprecated_function">deprecated functions</seeerl>.</item>
           <tag><c>{deprecated_function_calls, DeprFlag}</c>(*)</tag>
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